Unit10 I've had this bike for three years.持续动词与非持续动词（教案）

教师姓名 单位名称 填写时间
学科 英语 年级/册 八年级（下册） 教材版本 人民教育出版社
课题名称 Unit 10 I‘ve had this bike for three years.
难点名称 持续动词与非持续动词
难点分析 从知识角度分析为什么难 The knowledge itself is difficult to understand， the definition of the present perfect tense is abstract,It is easy to be confused with the past tense，When to use continuous verbs and non-continuous verbs is also affected by the past tense，Students are prone to mistakes.
从学生角度分析为什么难 This knowledge point was tested in the final examination in 2019 and 2020，But the effect of students is not good，students are still prone to mistakes，Students can't distinguish between continuous verbs and non-continuous verbs，they don't know the difference and don't know how to use it，they don't also know what situation to use.
难点教学方法 1,Through making an analysis of the students' final exam questions.2,Find the differences of continuous verbs and non -continuous verbs through animation.3,Through the analysis of similar exercises, students know when they use the continuous verbs and non-continuous verbs.
教学环节 教学过程
导入 Step1:Lead in by making an analysis of the students' final exam questions.1,This question，It is the 29th question in the final examination paper of the second semester from 2019 to 2020 in Xin Jiang，That's the question on the final exam this year.Let's take a look， should we choose which answer？2,You are right，“D”is right.A. B and C are the verb “begin”,why do you use “be on” instead of “begin” Yeah， “begin” is the continuous verb， “be on” is the non-continuous verb.3，When do we use the continuous verbs or non-continuous verbs
知识讲解（难点突破） Step2,Find the differences of continuous verbs and non -continuous verbs through animation.Our national language is extensive and profound，According to the literal meaning, in fact, the non continuous verb is an instant verb. It happens and ends instantaneously in the past.1,Instead the continuous verb is from the past to the present, Some students want to ask: when to use continuous verbs and when to use non-continuous verbs Let's look at the following three sentences. Let's try to do it by feeling first, OK OK,let's look at these three answers,The two sentences use the continuous verb “be back”, and the third sentence uses the non continuous verb “come back”,When to use continuous verbs and when to use non continuous verbs Step3:Through the analysis of similar exercises, students know when they use the continuous verbs and non-continuous verbs. 2,Look at the red words，When there is a time adverbial of for or since in a sentence, we should use a continuous verb，otherwise use the non continuous verb.3,Do you remember Now let's try to finish some exercises to see if we can judge.
课堂练习（难点巩固） Step4:Check learning by exercises1,Let's look at the first exercise. This exercise is in the final examination of the second semester from 2018 to 2019,The original sentence is in the past tense. Now rewrite the sentence with for a week，That is to change it into the present perfect tense,According to the law (for, since), we should use “have ”(the continuous verb of buy ) , so the answer is“have had”2,The second exercise is to change it into a synonymous sentence，According to the law (for, since), we should use “have ”(the continuous verb of buy ) , so the answer is“have had” 3,The third exercise is to change it into a synonymous sentence，According to the law (for, since), we should use “be on ”(the continuous verb of begin ) , so the answer is“been on”
小结 Step5:Summary1, The non-continuous verb is an instant verb. It happens and ends instantaneously in the past.2,The non-continuous verb，when it is used in the present perfect tense, we can't use the non-continuous verb when there is a time adverbial of for or since in a sentence, we should use the continuous verb.Step6:Expand and extendHere are the continuous verbs and non - continuous verbs in our junior high school,remember them.Note:In the negative structure, non-continuous verbs can be used to express continuous actions and states in the present perfect tense.eg: I haven't bought anything for two months.